@book{42274,
	author = {Calixto Flores, Raúl and Herrera Reyes, Lucila,},
	title = {Biología 1 /},
	publisher = {Editorial Progreso,},
	year = {2009},
	address = {México :},
	edition = {1a ed.},
	note = {Basado en competencias}
}